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Harley Davidson clattering noise from engine, backfire and failure to start
Cold start squeaking noise in engineTerminator 2 1990 Harley Davidson Fatboy FLSTF technical informationValve Adjustment - 1975 Harley Davidson IronheadWhy do Harley Davidson engines suffer from such poor performance?08 Silverado 5.3 cold start exhaust smoke and engine stallHarley Davidson: Can the engine be damaged by too much oil?USB-charger installed nearby Harley-Davidson Engine2006 Harley Davidson bogs down when I attempt to ride or accelerateHarley Davidson - Street Bob 2016 - increased starting timeTicking noise from engine
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
Harleys are notorious for valve noise or clicking from exhaust, so when my 2011 Ultra with 110 Screamin' Eagle started clattering a bit more than usual I didn't worry too much, but then a few miles later it reacted very loudly when I tried to accelerate hard so I gently coasted for a while.
After stopping, it then wouldn't start. Symptoms include backfiring, loads of smoke from the right exhaust, and some from behind the air intake when pressing the starter, and immediate stall when the starter is released.
The recovery guy made a guess that it could be a failed spark plug (which I hope is all it is) but he didn't have any tools to check (Imperial sizes in a metric country :-( ) so that was a guess.
Any thoughts?
engine stall harley-davidson backfire
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
add a comment |
Harleys are notorious for valve noise or clicking from exhaust, so when my 2011 Ultra with 110 Screamin' Eagle started clattering a bit more than usual I didn't worry too much, but then a few miles later it reacted very loudly when I tried to accelerate hard so I gently coasted for a while.
After stopping, it then wouldn't start. Symptoms include backfiring, loads of smoke from the right exhaust, and some from behind the air intake when pressing the starter, and immediate stall when the starter is released.
The recovery guy made a guess that it could be a failed spark plug (which I hope is all it is) but he didn't have any tools to check (Imperial sizes in a metric country :-( ) so that was a guess.
Any thoughts?
engine stall harley-davidson backfire
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
1
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
1
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11
add a comment |
Harleys are notorious for valve noise or clicking from exhaust, so when my 2011 Ultra with 110 Screamin' Eagle started clattering a bit more than usual I didn't worry too much, but then a few miles later it reacted very loudly when I tried to accelerate hard so I gently coasted for a while.
After stopping, it then wouldn't start. Symptoms include backfiring, loads of smoke from the right exhaust, and some from behind the air intake when pressing the starter, and immediate stall when the starter is released.
The recovery guy made a guess that it could be a failed spark plug (which I hope is all it is) but he didn't have any tools to check (Imperial sizes in a metric country :-( ) so that was a guess.
Any thoughts?
engine stall harley-davidson backfire
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
Harleys are notorious for valve noise or clicking from exhaust, so when my 2011 Ultra with 110 Screamin' Eagle started clattering a bit more than usual I didn't worry too much, but then a few miles later it reacted very loudly when I tried to accelerate hard so I gently coasted for a while.
After stopping, it then wouldn't start. Symptoms include backfiring, loads of smoke from the right exhaust, and some from behind the air intake when pressing the starter, and immediate stall when the starter is released.
The recovery guy made a guess that it could be a failed spark plug (which I hope is all it is) but he didn't have any tools to check (Imperial sizes in a metric country :-( ) so that was a guess.
Any thoughts?
engine stall harley-davidson backfire
engine stall harley-davidson backfire
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
asked Jun 11 at 11:39
Rory AlsopRory Alsop
17.8k45193
17.8k45193
And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
1
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
1
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11
add a comment |
And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
1
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
1
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11
And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
1
1
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
1
1
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11
add a comment |
2 Answers
2
active
oldest
votes
With a no-run scenario, think FASTEC:
- Fuel
- Air
- Spark
- Timing
- Exhaust
- Compression
As there's smoke on one side only, I'd be focusing on testing for spark, timing and compression.
If I had to hazard a guess, the smoke near the intake tells me that the intake valve is not seating properly.
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
add a comment |
FASTEC is exactly the right process to analyse this, as @Zaid said. It turns out it was contaminated fuel! That doesn't really explain why smoke just from the aft cylinder, and why there was smoke coming out from near the air intake... My guess is the misfire was powerful enough or off-time enough to get through an intake valve.
The downside: required full flush and clean out
The upside: no damage, so even though I need to pay for labour costs, it's not too bad.
Our assumption: the area we were in that weekend had suffered extreme rainfall and flooding so perhaps runoff had washed contamination into the garage's fuel storage.
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
add a comment |
Your Answer
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
With a no-run scenario, think FASTEC:
- Fuel
- Air
- Spark
- Timing
- Exhaust
- Compression
As there's smoke on one side only, I'd be focusing on testing for spark, timing and compression.
If I had to hazard a guess, the smoke near the intake tells me that the intake valve is not seating properly.
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
add a comment |
With a no-run scenario, think FASTEC:
- Fuel
- Air
- Spark
- Timing
- Exhaust
- Compression
As there's smoke on one side only, I'd be focusing on testing for spark, timing and compression.
If I had to hazard a guess, the smoke near the intake tells me that the intake valve is not seating properly.
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
add a comment |
With a no-run scenario, think FASTEC:
- Fuel
- Air
- Spark
- Timing
- Exhaust
- Compression
As there's smoke on one side only, I'd be focusing on testing for spark, timing and compression.
If I had to hazard a guess, the smoke near the intake tells me that the intake valve is not seating properly.
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
With a no-run scenario, think FASTEC:
- Fuel
- Air
- Spark
- Timing
- Exhaust
- Compression
As there's smoke on one side only, I'd be focusing on testing for spark, timing and compression.
If I had to hazard a guess, the smoke near the intake tells me that the intake valve is not seating properly.
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
answered Jun 11 at 11:49
ZaidZaid
32.4k30109249
32.4k30109249
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
add a comment |
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
Even though it was actually fuel, I'm going to accept your answer as it indicates the way to approach diagnosis.
– Rory Alsop
Jun 14 at 15:43
add a comment |
FASTEC is exactly the right process to analyse this, as @Zaid said. It turns out it was contaminated fuel! That doesn't really explain why smoke just from the aft cylinder, and why there was smoke coming out from near the air intake... My guess is the misfire was powerful enough or off-time enough to get through an intake valve.
The downside: required full flush and clean out
The upside: no damage, so even though I need to pay for labour costs, it's not too bad.
Our assumption: the area we were in that weekend had suffered extreme rainfall and flooding so perhaps runoff had washed contamination into the garage's fuel storage.
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
add a comment |
FASTEC is exactly the right process to analyse this, as @Zaid said. It turns out it was contaminated fuel! That doesn't really explain why smoke just from the aft cylinder, and why there was smoke coming out from near the air intake... My guess is the misfire was powerful enough or off-time enough to get through an intake valve.
The downside: required full flush and clean out
The upside: no damage, so even though I need to pay for labour costs, it's not too bad.
Our assumption: the area we were in that weekend had suffered extreme rainfall and flooding so perhaps runoff had washed contamination into the garage's fuel storage.
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
add a comment |
FASTEC is exactly the right process to analyse this, as @Zaid said. It turns out it was contaminated fuel! That doesn't really explain why smoke just from the aft cylinder, and why there was smoke coming out from near the air intake... My guess is the misfire was powerful enough or off-time enough to get through an intake valve.
The downside: required full flush and clean out
The upside: no damage, so even though I need to pay for labour costs, it's not too bad.
Our assumption: the area we were in that weekend had suffered extreme rainfall and flooding so perhaps runoff had washed contamination into the garage's fuel storage.
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
FASTEC is exactly the right process to analyse this, as @Zaid said. It turns out it was contaminated fuel! That doesn't really explain why smoke just from the aft cylinder, and why there was smoke coming out from near the air intake... My guess is the misfire was powerful enough or off-time enough to get through an intake valve.
The downside: required full flush and clean out
The upside: no damage, so even though I need to pay for labour costs, it's not too bad.
Our assumption: the area we were in that weekend had suffered extreme rainfall and flooding so perhaps runoff had washed contamination into the garage's fuel storage.
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
edited Jun 12 at 17:27
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
answered Jun 11 at 13:45
Rory AlsopRory Alsop
17.8k45193
17.8k45193
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
add a comment |
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
3
3
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
Not sure what your costs were or if this would be relevant or not, but the one experience I've had with contaminated fuel resulted in the service station's insurance paying out to cover repair costs (for myself and many others who filled there on that day).
– dwizum
Jun 12 at 17:44
1
1
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
I am chasing that, yes :-)
– Rory Alsop
Jun 12 at 19:52
add a comment |
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And of course this happened 300 miles from home, so we spent the rest of the day getting relayed home with the bike on the back of 5 different recovery trucks!
– Rory Alsop
Jun 11 at 11:44
1
How old was the fuel, was it the right octane for that engine?
– Moab
Jun 11 at 23:53
1
The tank was filled that morning with the correct fuel.
– Rory Alsop
Jun 12 at 15:11